/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import 'package:flutter/material.dart';

class BeamOverlay extends StatelessWidget {
  static const dismissibleAreaKey = Key('overlayDismissibleAreaKey');

  final VoidCallback close;
  final bool isDismissible;
  final Positioned child;

  const BeamOverlay({
    required this.close,
    required this.isDismissible,
    required this.child,
  });

  @override
  Widget build(BuildContext context) {
    return Stack(
      children: [
        if (isDismissible)
          Positioned.fill(
            child: GestureDetector(
              key: dismissibleAreaKey,
              onTap: close,
            ),
          ),
        child,
      ],
    );
  }
}
